#include <cstdio>
#include <memory.h>
#include <string.h>

void Invert(char *input, int length);
void copyString_with_memcpy(char *input, int offset, int length, bool invert, char *output, int offset_output);
void copyString_with_strcpy(char *input, int offset, int length, bool invert, char *output, int offset_output);
void copyString_without_memcpy_strcpy(char *input, int offset, int length, bool invert, char *output, int offset_output);
void q6_3_run();